Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bristlecone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:37:33 UTC · ↺ Refresh
MX Hostnames
- bristlecone-com.mail.protection.outlook.com
MX Priorities
- bristlecone-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.124.249.132 ↩ cloudproxy10132.sucuri.net
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns53.worldnic.com namehost.worldnic.com 126032004 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126032004
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns53.worldnic.com
ns54.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:psm.knowbe4.com include:spf_c.oraclecloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p= quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- asv=22f605c62a979bcf53c8bc2010026f9a
- openai-domain-verification=dv-5nbp6GSkc3Sp5QRKsLgqrnlU
- _elaa2jv3kkq1pdifkrmwucb8mhul4t8
- anthropic-domain-verification-bjdn2n=5YhlktQESxjCBghMwUSJBAqpX
- atlassian-domain-verification=YO5sT7sC5G5JvkhN1kMbwDyBGa61szg64bWzXdBt5qrrqoBDGojeNFd6DvMiBMj5
- MS=ms48052375
- knowbe4-site-verification=835ef4af7779441f19aa9036f1474a8a
- 0ed1fe018aa64cccf525a849049dcd86476e626772
- google-site-verification=V0ffjEnUx4poKNqqm8uybeSfBuXg9G6dIbc_-R50TTY
- ZOOM_verify_w3g2dc8JrcllgiJyCAhipz
- amazonses:1mU0ljhbwiKBS487aj6yEpae3lWA9EoYgqIgMAZwDY8=
- s2pmd7j6qv575qqtcptct5vml0v7kdkx
- google-site-verification=WQvG8WZOfWLGIZey2NhKT9pDtAQkur-zUcYe0mdmF0I
- 4tyt0lkdfnmcp4z4fpwyklycx3h1b1k5
- 6bv5819jlryxv32683l2d98lbf4qb1ks
- SPFv=spf1 include:spf.protection.outlook.com include:psm.knowbe4.com include:spf_c.oraclecloud.com -all
- google-site-verification=nij8lAS01tTvk6lhK5NsTLI5QF6DxgaP8AlXbTxEhaw
- _pw501u5wi4i1uoha27w5v9p5vizn39x
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